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# BRCS01V - IEC

## BRCS01V - IEC

{% hint style="info" %}
**Applies to:** BRCS01V AC/DC Residual Current Sensor (IEC version, Type A 30mA and DC 6mA (IEC 62752; IEC 62955) / DC 6mA (IEC 62955)) | **Last Updated:** 2026-09-25
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### 1. Introduction

<div align="left"><figure><img src="https://68488808-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FTmsWivaZjkubbVKrCezC%2Fuploads%2FwNIjQClJYXfzrWcNVWLb%2Fimage.png?alt=media&amp;token=82d85fa3-bbd1-4ee7-9449-2405e9770f5a" alt=""><figcaption></figcaption></figure></div>

The BRCS01V is a high-sensitivity AC/DC residual current sensor, which enables the development of an IEC 62955-compliant Residual Direct Current Detecting Device (RDC-DD) when combined with an EV charging controller and switching devices within EV chargers.

* Cost-effective PCB-mount solution of built-in residual current device for AC EV charger
* Trip Pin output based on solely DC 6mA and Type-A 30mA +DC 6mA detection
* Fast response time facilitating a broad selection of switching devices
* Compact design with 18mm through-hole for charging cable up to 3P+N 32A

***

### 2. Technical Data

<table><thead><tr><th width="75">#</th><th width="415">Technical Specification</th><th>Value</th></tr></thead><tbody><tr><td>101</td><td>Rated operating voltage in monitoring circuit</td><td>230/400VAC</td></tr><tr><td>102</td><td>Rated current in monitoring circuit</td><td>≤ 32A</td></tr><tr><td>103</td><td>Poles in monitoring circuit</td><td>1P+N / 3P+N</td></tr><tr><td>104</td><td>Frequency in monitoring circuit</td><td>50Hz</td></tr><tr><td>105</td><td>Rated impulse withstand voltage in monitoring circuit</td><td>6kV</td></tr><tr><td>106</td><td>Over-voltage category in monitoring circuit</td><td>III</td></tr><tr><td>201</td><td>Rated operating voltage in control circuit, V_{cc}</td><td>5VDC ± 3%</td></tr><tr><td>202</td><td>Power consumption</td><td>&#x3C; 500mW</td></tr><tr><td>203</td><td>Pin 1 – Vcc for 5V</td><td>+5VDC</td></tr><tr><td>204</td><td>Pin 2 – AC&#x26;DC Trip</td><td>Digital output (IC-CPD/RDC-PD)</td></tr><tr><td>205</td><td>Pin 3 – GND</td><td>GND</td></tr><tr><td>206</td><td>Pin 4 – DC Trip</td><td>Digital output (RDC-MD)</td></tr><tr><td>207</td><td>Pin 5 – Test signal</td><td>Digital input</td></tr><tr><td>301</td><td>Rated DC residual operating current I_{\Delta dc}</td><td>6mA</td></tr><tr><td>302</td><td>Rated DC residual non-operating current I_{\Delta ndc}</td><td>3mA</td></tr><tr><td>303</td><td>Rated AC residual operating current I_{\Delta n}<sup>1)</sup></td><td>30mA</td></tr><tr><td>304</td><td>Rated AC residual non-operating current I_{\Delta nc}<sup>1)</sup></td><td>15mA</td></tr><tr><td>305</td><td>Electrical endurance</td><td>20,000</td></tr><tr><td>306</td><td>Rated operating temperature</td><td>-40~85 ℃</td></tr><tr><td>307</td><td>Pollution degree</td><td>2</td></tr></tbody></table>

<sup>1)</sup> #303 and #304 apply to only the AC\&DC Trip Pin that sends fault output of Type-A 30mA detection.

***

### 3. Residual Current Detection Characteristics

#### **Operating Current**

<table><thead><tr><th width="81">#</th><th>Operating Current</th><th>AC&#x26;DC trip signal</th><th>DC trip signal</th></tr></thead><tbody><tr><td>401</td><td>Smooth DC</td><td>4.0~6.0 mA</td><td>4.0~6.0 mA</td></tr><tr><td>402</td><td>DC rectified from 2 phases</td><td>4.0~7.0 mA</td><td>4.0~7.0 mA</td></tr><tr><td>403</td><td>DC rectified from 3 phases</td><td>4.0~6.2 mA</td><td>4.0~6.2 mA</td></tr><tr><td>404</td><td>Sinewave AC</td><td>22.0~28.0 mA</td><td>-</td></tr><tr><td>405</td><td>A0 pulsating DC</td><td>10.5~42.0 mA</td><td>-</td></tr><tr><td>406</td><td>A90 pulsating DC</td><td>7.5~42.0 mA</td><td>-</td></tr><tr><td>407</td><td>A135 pulsating DC</td><td>3.3~42.0 mA</td><td>-</td></tr></tbody></table>

#### **Operating Time**

<table><thead><tr><th width="82">#</th><th width="302">Response time</th><th>AC&#x26;DC trip signal</th><th>DC trip signal</th></tr></thead><tbody><tr><td>501</td><td>Smooth DC 6mA</td><td>≤ 500 ms</td><td>≤ 500 ms</td></tr><tr><td>502</td><td>Smooth DC 60mA</td><td>≤ 200 ms</td><td>≤ 200 ms</td></tr><tr><td>503</td><td>Smooth DC 200mA</td><td>≤ 70 ms</td><td>≤ 70 ms</td></tr><tr><td>504</td><td>Smooth DC 300mA</td><td>≤ 20 ms</td><td>-</td></tr><tr><td>505</td><td>DC rectified from 2 phases 60mA</td><td>≤ 200 ms</td><td>≤ 200 ms</td></tr><tr><td>506</td><td>DC rectified from 2 phases 200mA</td><td>≤ 70 ms</td><td>≤ 70 ms</td></tr><tr><td>507</td><td>DC rectified from 2 phases 300mA</td><td>≤ 20 ms</td><td>-</td></tr><tr><td>508</td><td>DC rectified from 3 phases 60mA</td><td>≤ 200 ms</td><td>≤ 200 ms</td></tr><tr><td>509</td><td>DC rectified from 3 phases 200mA</td><td>≤ 70 ms</td><td>≤ 70 ms</td></tr><tr><td>510</td><td>DC rectified from 3 phases 300mA</td><td>≤ 20 ms</td><td>-</td></tr><tr><td>511</td><td>AC 30mA</td><td>≤ 80 ms</td><td>> 10000 ms</td></tr><tr><td>512</td><td>AC 60mA</td><td>≤ 60 ms</td><td>> 300 ms</td></tr><tr><td>513</td><td>AC 150mA</td><td>≤ 20 ms</td><td>> 80 ms</td></tr><tr><td>514</td><td>AC 5A</td><td>≤ 20 ms</td><td>> 80 ms</td></tr></tbody></table>

***

### 4. Application Notes&#x20;

#### **Typical application diagram**

<p align="center"><strong>BRCS01V version                                                                          EV charging controller</strong></p>

<figure><img src="https://68488808-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FTmsWivaZjkubbVKrCezC%2Fuploads%2FFlXncS9Yhm3sTI10F6iP%2Fimage.png?alt=media&amp;token=4c2dda4a-cfe4-46c3-9ee4-2acec972b73e" alt=""><figcaption></figcaption></figure>

* **Vcc Pin (Power supply pin):** The power supply voltage range to the sensor is 4.85 - 5.15 VDC, and the power ripple is not higher than 150mV. Ferrite beads and filter capacitors are suggested to be placed close to the Vcc pin. In addition, a LDO - such as LP2985A-50DBV- is strongly recommended to be used at the charging controller side.
* **Trip Pins (Fault signal output pin):** When residual current in the circuit exceeds the threshold, the output level changes from low to high. Suggest adding ferrite beads and filter capacitors close to this pin. A direct connection of Pin 2/4 to switching devices- such as relays or contactors- is NOT allowed. The trip signal of Pin 2/4 is suggested to be monitored by the charging controller MCU.
* **TEST Pin (Self-test input pin):** Before starting every charging, this pin is used to perform a simulated test to verify whether the sensor functions correctly.

#### &#x20;Self-test Time Chart

<figure><img src="https://68488808-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FTmsWivaZjkubbVKrCezC%2Fuploads%2FyiLvh6JnGOdA05VyBYaY%2Fimage.png?alt=media&amp;token=39c27a6a-54fa-4433-b863-9063e09fc5a9" alt=""><figcaption></figcaption></figure>

A self-test excluding offset calibration is activated if Pin 5 - Test is connected to GND for a period of 40ms to 130ms; A self-test including offset calibration is activated if Pin 5 - Test is connected to GND for a period of 150ms to 1000ms. t1 is the response time for internally generated test current.

#### &#x20;Offset Calibration Time Chart

<figure><img src="https://68488808-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FTmsWivaZjkubbVKrCezC%2Fuploads%2FUYt2OuQsWJ2NUkuerV8b%2Fimage.png?alt=media&amp;token=c3139498-6495-4edd-826c-81ba27962f40" alt=""><figcaption></figcaption></figure>

An explicit offset calibration excluding self-test cycle is activated if Pin 5 - Test is connected to GND for a period of 2s to 3s. An offset calibration can be activated at regular intervals (such as start-up) or after the occur of certain critical events (such as short circuit).

{% hint style="warning" %}
**Attention:** During the offset calibration, NO leakage current or any other current may flow through the device and the relays/contactors must be open. Also, the power supply voltage at Pin 1 Vcc must be stay at 5VDC ± 3%.
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#### &#x20;Figures

<div align="left"><figure><img src="https://68488808-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FTmsWivaZjkubbVKrCezC%2Fuploads%2FJBIEESTltfx8i82NSSHu%2Fimage.png?alt=media&amp;token=03410032-da37-4157-8563-8b5d2fa8a86e" alt=""><figcaption></figcaption></figure></div>

If the trip-level I\_{\Delta T} is accomplished the output will change their state from low-level to high level. Depending on the existence of the residual current I\_{\Delta}, the output will remain in this state until I\_{\Delta} falls below the threshold I\_{\Delta R}

* **AC\&DC Trip Pin:** Typical values of I\_{\Delta T} DC 5mA & AC 24mA; Typical value of I\_{\Delta R} is 75%.
* **DC Trip Pin:** Typical values of I\_{\Delta T} DC 5mA; Typical value of I\_{\Delta R} is 75%.

***

### 5. Mechanical Outline

**BRCS01V-05-\*:**

<figure><img src="https://68488808-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FTmsWivaZjkubbVKrCezC%2Fuploads%2FBTj03GguG4s9FvHxPwZe%2Fimage.png?alt=media&amp;token=ce392463-9d98-4f5a-a4d4-c957f57bebf0" alt=""><figcaption></figcaption></figure>

| Pin 1 | Pin 2                        | Pin 3 | Pin 4            | Pin 5 |
| ----- | ---------------------------- | ----- | ---------------- | ----- |
| 5V DC | AC & DC Trip (RDC-PD/IC-CPD) | GND   | DC Trip (RDC-MD) | Test  |

***

### 6. Ordering Information

<table><thead><tr><th width="75">#</th><th width="200">Order Number</th><th>Description</th></tr></thead><tbody><tr><td>1</td><td>BRCS01V-05-S1</td><td>BRCS01V Residual Current Sensor, 5V DC<br>Type A 30 mA+DC6mA / DC6mA, 32A, 1P+N / 3P+N</td></tr></tbody></table>

***

### 7. Additional Notes

* Do NOT allow strong static electricity near the sensor, because static electricity can cause damage to the ICs inside the sensor. Take static electricity precautions when handling.
* Do NOT exceed 260°C for 10 seconds when soldering the sensors. This is the maximum heat resistance grade of these sensors.
* Do NOT drop the sensor or apply any other mechanical stress to the sensor, as such stresses may change performance characteristics.
* Please place the sensor with an appropriate distance from components that can generate high magnetic fields, such as relays or contactors, to ensure accurate residual current detection.
* Please refer to the product standards of RCD/RDC-DD (Residual Current Device / Residual Direct Current Detection Device), when designing built-in RCD/RDC-DD for mode-2/3 Electric Vehicle Supply Equipment with the sensor.

{% hint style="danger" %}
The sensor is susceptible to be damaged from an ESD event and the personnel should be grounded when handling it.
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